1. Process 1/2 cup almonds in a food processor until finely chopped, and combine with 1/4 cup flour in a shallow bowl.
2. Sprinkle fish evenly with salt; dredge in almond mixture.
3. Melt butter with olive oil in a large heavy skillet over medium heat; add fish, and cook 4 minutes on each side or until golden. Remove fillets to a serving plate.
4. Add remaining 1/2 cup almonds to skillet, and cook, stirring often, 1 minute or until golden. Remove almonds with a slotted spoon, and sprinkle over fish.